JPS6490462A - Image producing device - Google Patents

Image producing device

Info

Publication number
JPS6490462A
JPS6490462A JP62248788A JP24878887A JPS6490462A JP S6490462 A JPS6490462 A JP S6490462A JP 62248788 A JP62248788 A JP 62248788A JP 24878887 A JP24878887 A JP 24878887A JP S6490462 A JPS6490462 A JP S6490462A
Authority
JP
Japan
Prior art keywords
toner
color
white
copying
loaded
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP62248788A
Other languages
Japanese (ja)
Inventor
Naoyoshi Kinoshita
Keiji Kusumoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Minolta Co Ltd
Original Assignee
Minolta Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Minolta Co Ltd filed Critical Minolta Co Ltd
Priority to JP62248788A priority Critical patent/JPS6490462A/en
Publication of JPS6490462A publication Critical patent/JPS6490462A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
    • G03G15/0105—Details of unit
    • G03G15/0126—Details of unit using a solid developer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Color Electrophotography (AREA)

Abstract

PURPOSE:To prevent a color from getting impure, which is caused by the mixture of white color with the toner of other color, by executing copying only when the white toner is loaded in the upper most position and stopping copying when other toner is loaded there. CONSTITUTION:Three-bit signals for identifying the color of the toner of developing devices 4, 5 and 6 are inputted in the ports PB0-PB5 and PA5-PA7 of a CPU200. A color selection signal is inputted in a port PD1 with a toner color selection key 79. When the white toner is selected, it is discriminated whether the developing device is fitted in an upper stage and the toner incorporated in said developing device is white. If the white toner is loaded in the upper stage, copying is started by controlling a clutch from a port PC0 in order to drive the developing device 4 and also controlling an IC201 for driving from ports PA0-PA3. If the white toner is not in the upper stage, the driving is stopped. thus, copying can be executed with stable white color.
JP62248788A 1987-10-01 1987-10-01 Image producing device Pending JPS6490462A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62248788A JPS6490462A (en) 1987-10-01 1987-10-01 Image producing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62248788A JPS6490462A (en) 1987-10-01 1987-10-01 Image producing device

Publications (1)

Publication Number Publication Date
JPS6490462A true JPS6490462A (en) 1989-04-06

Family

ID=17183405

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62248788A Pending JPS6490462A (en) 1987-10-01 1987-10-01 Image producing device

Country Status (1)

Country Link
JP (1) JPS6490462A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5449239A (en) * 1992-07-21 1995-09-12 Seiko Epson Corporation Impact dot head with resiliently mounted wire guide
JP2007057703A (en) * 2005-08-23 2007-03-08 Sharp Corp Image forming apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5449239A (en) * 1992-07-21 1995-09-12 Seiko Epson Corporation Impact dot head with resiliently mounted wire guide
JP2007057703A (en) * 2005-08-23 2007-03-08 Sharp Corp Image forming apparatus

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